152045402 has 4 divisors (see below), whose sum is σ = 228068106. Its totient is φ = 76022700.

The previous prime is 152045381. The next prime is 152045431. The reversal of 152045402 is 204540251.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 114725521 + 37319881 = 10711^2 + 6109^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38011349 + ... + 38011352.

Almost surely, 2^152045402 is an apocalyptic number.

152045402 is a deficient number, since it is larger than the sum of its proper divisors (76022704).

152045402 is an equidigital number, since it uses as much as digits as its factorization.

152045402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76022703.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 152045402 is about 12330.6691627016. The cubic root of 152045402 is about 533.7334607581.

Adding to 152045402 its reverse (204540251), we get a palindrome (356585653).

The spelling of 152045402 in words is "one hundred fifty-two million, forty-five thousand, four hundred two".