161462452 has 6 divisors (see below), whose sum is σ = 282559298. Its totient is φ = 80731224.

The previous prime is 161462443. The next prime is 161462467. The reversal of 161462452 is 254264161.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 143856036 + 17606416 = 11994^2 + 4196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20182803 + ... + 20182810.

Almost surely, 2^161462452 is an apocalyptic number.

It is an amenable number.

161462452 is a deficient number, since it is larger than the sum of its proper divisors (121096846).

161462452 is a wasteful number, since it uses less digits than its factorization.

161462452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40365617 (or 40365615 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 161462452 is about 12706.7876349611. The cubic root of 161462452 is about 544.5325532015.

The spelling of 161462452 in words is "one hundred sixty-one million, four hundred sixty-two thousand, four hundred fifty-two".