155453002 has 4 divisors (see below), whose sum is σ = 233179506. Its totient is φ = 77726500.

The previous prime is 155452991. The next prime is 155453027. The reversal of 155453002 is 200354551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200354551 = 1093 ⋅183307.

It can be written as a sum of positive squares in only one way, i.e., 153289161 + 2163841 = 12381^2 + 1471^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38863249 + ... + 38863252.

Almost surely, 2^155453002 is an apocalyptic number.

155453002 is a deficient number, since it is larger than the sum of its proper divisors (77726504).

155453002 is an equidigital number, since it uses as much as digits as its factorization.

155453002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77726503.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 155453002 is about 12468.0793228147. The cubic root of 155453002 is about 537.6913349468.

The spelling of 155453002 in words is "one hundred fifty-five million, four hundred fifty-three thousand, two".