154022452 has 12 divisors (see below), whose sum is σ = 274625316. Its totient is φ = 75558080.

The previous prime is 154022443. The next prime is 154022459. The reversal of 154022452 is 254220451.

It can be written as a sum of positive squares in 2 ways, for example, as 66487716 + 87534736 = 8154^2 + 9356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154022459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363049 + ... + 363472.

It is an arithmetic number, because the mean of its divisors is an integer number (22885443).

Almost surely, 2^154022452 is an apocalyptic number.

It is an amenable number.

154022452 is a deficient number, since it is larger than the sum of its proper divisors (120602864).

154022452 is a wasteful number, since it uses less digits than its factorization.

154022452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726578 (or 726576 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 154022452 is about 12410.5782298812. The cubic root of 154022452 is about 536.0368885654.

The spelling of 154022452 in words is "one hundred fifty-four million, twenty-two thousand, four hundred fifty-two".