154056330 has 80 divisors (see below), whose sum is σ = 419090760. Its totient is φ = 40601088.

The previous prime is 154056317. The next prime is 154056347. The reversal of 154056330 is 33650451.

154056330 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 57289761 + 96766569 = 7569^2 + 9837^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154056294 and 154056303.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 71022 + ... + 73158.

Almost surely, 2^154056330 is an apocalyptic number.

154056330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 154056330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209545380).

154056330 is an abundant number, since it is smaller than the sum of its proper divisors (265034430).

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

154056330 is a wasteful number, since it uses less digits than its factorization.

154056330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245 (or 2236 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 154056330 is about 12411.9430388638. The cubic root of 154056330 is about 536.0761870057.

The spelling of 154056330 in words is "one hundred fifty-four million, fifty-six thousand, three hundred thirty".