61157248 has 16 divisors (see below), whose sum is σ = 121836960. Its totient is φ = 30578560.

The previous prime is 61157221. The next prime is 61157249. The reversal of 61157248 is 84275116.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61157249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238768 + ... + 239023.

It is an arithmetic number, because the mean of its divisors is an integer number (7614810).

Almost surely, 2^61157248 is an apocalyptic number.

It is an amenable number.

61157248 is a deficient number, since it is larger than the sum of its proper divisors (60679712).

61157248 is an equidigital number, since it uses as much as digits as its factorization.

61157248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477805 (or 477793 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 61157248 is about 7820.3099682813. The cubic root of 61157248 is about 393.9876828843.

The spelling of 61157248 in words is "sixty-one million, one hundred fifty-seven thousand, two hundred forty-eight".