154249056 has 192 divisors, whose sum is σ = 501258240. Its totient is φ = 45826560.

The previous prime is 154249031. The next prime is 154249091. The reversal of 154249056 is 650942451.

It is a super-2 number, since 2×154249056² = 47585542553782272, 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 154249056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347971 + ... + 348413.

It is an arithmetic number, because the mean of its divisors is an integer number (2610720).

Almost surely, 2^154249056 is an apocalyptic number.

154249056 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 154249056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250629120).

154249056 is an abundant number, since it is smaller than the sum of its proper divisors (347009184).

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

154249056 is a wasteful number, since it uses less digits than its factorization.

154249056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 154249056 is about 12419.7043443071. The cubic root of 154249056 is about 536.2996393972.

The spelling of 154249056 in words is "one hundred fifty-four million, two hundred forty-nine thousand, fifty-six".