154651964 has 12 divisors (see below), whose sum is σ = 272772864. Its totient is φ = 76716864.

The previous prime is 154651961. The next prime is 154651967. The reversal of 154651964 is 469156451.

It is an interprime number because it is at equal distance from previous prime (154651961) and next prime (154651967).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154651961) 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, 151709 + ... + 152724.

It is an arithmetic number, because the mean of its divisors is an integer number (22731072).

Almost surely, 2^154651964 is an apocalyptic number.

It is an amenable number.

154651964 is a deficient number, since it is larger than the sum of its proper divisors (118120900).

154651964 is a wasteful number, since it uses less digits than its factorization.

154651964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304564 (or 304562 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 154651964 is about 12435.9142808239. The cubic root of 154651964 is about 536.7661826092.

The spelling of 154651964 in words is "one hundred fifty-four million, six hundred fifty-one thousand, nine hundred sixty-four".