152666254420402 has 4 divisors (see below), whose sum is σ = 228999381630606. Its totient is φ = 76333127210200.

The previous prime is 152666254420391. The next prime is 152666254420409. The reversal of 152666254420402 is 204024452666251.

152666254420402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 93775963072401 + 58890291348001 = 9683799^2 + 7674001^2 .

It is not an unprimeable number, because it can be changed into a prime (152666254420409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38166563605099 + ... + 38166563605102.

Almost surely, 2^{152666254420402} is an apocalyptic number.

152666254420402 is a deficient number, since it is larger than the sum of its proper divisors (76333127210204).

152666254420402 is an equidigital number, since it uses as much as digits as its factorization.

152666254420402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76333127210203.

The product of its (nonzero) digits is 5529600, while the sum is 49.

The spelling of 152666254420402 in words is "one hundred fifty-two trillion, six hundred sixty-six billion, two hundred fifty-four million, four hundred twenty thousand, four hundred two".