61450152 has 32 divisors (see below), whose sum is σ = 156232800. Its totient is φ = 20135744.

The previous prime is 61450141. The next prime is 61450171. The reversal of 61450152 is 25105416.

It is a super-2 number, since 2×61450152² = 7552242361646208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 20283 + ... + 23114.

It is an arithmetic number, because the mean of its divisors is an integer number (4882275).

Almost surely, 2^61450152 is an apocalyptic number.

It is an amenable number.

61450152 is an abundant number, since it is smaller than the sum of its proper divisors (94782648).

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

61450152 is a wasteful number, since it uses less digits than its factorization.

61450152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43465 (or 43461 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 61450152 is about 7839.0147340083. The cubic root of 61450152 is about 394.6156641899.

Adding to 61450152 its reverse (25105416), we get a palindrome (86555568).

The spelling of 61450152 in words is "sixty-one million, four hundred fifty thousand, one hundred fifty-two".