61148152 has 32 divisors (see below), whose sum is σ = 123807600. Its totient is φ = 28145664.

The previous prime is 61148147. The next prime is 61148159. The reversal of 61148152 is 25184116.

It is a self number, because there is not a number n which added to its sum of digits gives 61148152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61148159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59499 + ... + 60517.

Almost surely, 2^61148152 is an apocalyptic number.

It is an amenable number.

61148152 is an abundant number, since it is smaller than the sum of its proper divisors (62659448).

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

61148152 is a wasteful number, since it uses less digits than its factorization.

61148152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1611 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 61148152 is about 7819.7283840297. The cubic root of 61148152 is about 393.9681491426.

The spelling of 61148152 in words is "sixty-one million, one hundred forty-eight thousand, one hundred fifty-two".