154639952 has 10 divisors (see below), whose sum is σ = 299614938. Its totient is φ = 77319968.

The previous prime is 154639951. The next prime is 154639957. The reversal of 154639952 is 259936451.

154639952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 147962896 + 6677056 = 12164^2 + 2584^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154639951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4832483 + ... + 4832514.

Almost surely, 2^154639952 is an apocalyptic number.

It is an amenable number.

154639952 is a deficient number, since it is larger than the sum of its proper divisors (144974986).

154639952 is an equidigital number, since it uses as much as digits as its factorization.

154639952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9665005 (or 9664999 counting only the distinct ones).

The product of its digits is 291600, while the sum is 44.

The square root of 154639952 is about 12435.4313153988. The cubic root of 154639952 is about 536.7522851624.

It can be divided in two parts, 1546399 and 52, that added together give a palindrome (1546451).

The spelling of 154639952 in words is "one hundred fifty-four million, six hundred thirty-nine thousand, nine hundred fifty-two".