161454032 has 40 divisors (see below), whose sum is σ = 333496512. Its totient is φ = 75456000.

The previous prime is 161454017. The next prime is 161454067. The reversal of 161454032 is 230454161.

It is a junction number, because it is equal to n+sod(n) for n = 161453992 and 161454010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39107 + ... + 43037.

Almost surely, 2^161454032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161454032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166748256).

161454032 is an abundant number, since it is smaller than the sum of its proper divisors (172042480).

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

161454032 is a wasteful number, since it uses less digits than its factorization.

161454032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107 (or 4101 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 161454032 is about 12706.4563116551. The cubic root of 161454032 is about 544.5230875461.

The spelling of 161454032 in words is "one hundred sixty-one million, four hundred fifty-four thousand, thirty-two".