61453156 has 6 divisors (see below), whose sum is σ = 107543030. Its totient is φ = 30726576.

The previous prime is 61453153. The next prime is 61453193. The reversal of 61453156 is 65135416.

It can be written as a sum of positive squares in only one way, i.e., 59814756 + 1638400 = 7734^2 + 1280^2 .

It is not an unprimeable number, because it can be changed into a prime (61453153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7681641 + ... + 7681648.

Almost surely, 2^61453156 is an apocalyptic number.

It is an amenable number.

61453156 is a deficient number, since it is larger than the sum of its proper divisors (46089874).

61453156 is a wasteful number, since it uses less digits than its factorization.

61453156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15363293 (or 15363291 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 61453156 is about 7839.2063373788. The cubic root of 61453156 is about 394.6220943673.

The spelling of 61453156 in words is "sixty-one million, four hundred fifty-three thousand, one hundred fifty-six".