42151552 has 16 divisors (see below), whose sum is σ = 83974050. Its totient is φ = 21075712.

The previous prime is 42151523. The next prime is 42151553. The reversal of 42151552 is 25515124.

It can be written as a sum of positive squares in only one way, i.e., 40653376 + 1498176 = 6376^2 + 1224^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42151553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164527 + ... + 164782.

Almost surely, 2^42151552 is an apocalyptic number.

It is an amenable number.

42151552 is a deficient number, since it is larger than the sum of its proper divisors (41822498).

42151552 is an equidigital number, since it uses as much as digits as its factorization.

42151552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329323 (or 329311 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 42151552 is about 6492.4226603018. The cubic root of 42151552 is about 348.0202568910.

Adding to 42151552 its reverse (25515124), we get a palindrome (67666676).

The spelling of 42151552 in words is "forty-two million, one hundred fifty-one thousand, five hundred fifty-two".