154155456 has 336 divisors, whose sum is σ = 579144384. Its totient is φ = 38043648.

The previous prime is 154155451. The next prime is 154155461. The reversal of 154155456 is 654551451.

154155456 is a `hidden beast` number, since 1 + 54 + 1 + 554 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (154155451) and next prime (154155461).

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×154155456² = 47527809229135872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 154155456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154155451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 890986 + ... + 891158.

It is an arithmetic number, because the mean of its divisors is an integer number (1723644).

Almost surely, 2^154155456 is an apocalyptic number.

154155456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154155456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289572192).

154155456 is an abundant number, since it is smaller than the sum of its proper divisors (424988928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154155456 is a wasteful number, since it uses less digits than its factorization.

154155456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 215 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 154155456 is about 12415.9355668431. The cubic root of 154155456 is about 536.1911399690.

The spelling of 154155456 in words is "one hundred fifty-four million, one hundred fifty-five thousand, four hundred fifty-six".