154561032 has 48 divisors (see below), whose sum is σ = 421923840. Its totient is φ = 51111648.

The previous prime is 154560983. The next prime is 154561037. The reversal of 154561032 is 230165451.

154561032 is a `hidden beast` number, since 1 + 5 + 45 + 610 + 3 + 2 = 666.

It is a super-2 number, since 2×154561032² = 47778225225810048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154560987 and 154561005.

It is not an unprimeable number, because it can be changed into a prime (154561037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 693 + ... + 17595.

It is an arithmetic number, because the mean of its divisors is an integer number (8790080).

Almost surely, 2^154561032 is an apocalyptic number.

154561032 is a gapful number since it is divisible by the number (12) 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 154561032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210961920).

154561032 is an abundant number, since it is smaller than the sum of its proper divisors (267362808).

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

154561032 is a wasteful number, since it uses less digits than its factorization.

154561032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17042 (or 17035 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 154561032 is about 12432.2577193364. The cubic root of 154561032 is about 536.6609596931.

The spelling of 154561032 in words is "one hundred fifty-four million, five hundred sixty-one thousand, thirty-two".