154381532 has 6 divisors (see below), whose sum is σ = 270167688. Its totient is φ = 77190764.

The previous prime is 154381531. The next prime is 154381537. The reversal of 154381532 is 235183451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154381531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19297688 + ... + 19297695.

It is an arithmetic number, because the mean of its divisors is an integer number (45027948).

Almost surely, 2^154381532 is an apocalyptic number.

It is an amenable number.

154381532 is a deficient number, since it is larger than the sum of its proper divisors (115786156).

154381532 is a wasteful number, since it uses less digits than its factorization.

154381532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38595387 (or 38595385 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 154381532 is about 12425.0364989404. The cubic root of 154381532 is about 536.4531281838.

The spelling of 154381532 in words is "one hundred fifty-four million, three hundred eighty-one thousand, five hundred thirty-two".