154021464 has 48 divisors (see below), whose sum is σ = 417716520. Its totient is φ = 51269760.

The previous prime is 154021463. The next prime is 154021477. The reversal of 154021464 is 464120451.

It is a super-2 number, since 2×154021464² = 47445222745406592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154021463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92124 + ... + 93780.

Almost surely, 2^154021464 is an apocalyptic number.

It is an amenable number.

154021464 is an abundant number, since it is smaller than the sum of its proper divisors (263695056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154021464 is a wasteful number, since it uses less digits than its factorization.

154021464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960 (or 2953 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 154021464 is about 12410.5384250644. The cubic root of 154021464 is about 536.0357424001.

The spelling of 154021464 in words is "one hundred fifty-four million, twenty-one thousand, four hundred sixty-four".