146012402 has 4 divisors (see below), whose sum is σ = 219018606. Its totient is φ = 73006200.

The previous prime is 146012389. The next prime is 146012437. The reversal of 146012402 is 204210641.

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., 143544361 + 2468041 = 11981^2 + 1571^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36503099 + ... + 36503102.

Almost surely, 2^146012402 is an apocalyptic number.

146012402 is a deficient number, since it is larger than the sum of its proper divisors (73006204).

146012402 is an equidigital number, since it uses as much as digits as its factorization.

146012402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73006203.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 146012402 is about 12083.5591611081. The cubic root of 146012402 is about 526.5786520834.

The spelling of 146012402 in words is "one hundred forty-six million, twelve thousand, four hundred two".