154031049 has 6 divisors (see below), whose sum is σ = 222489306. Its totient is φ = 102687360.

The previous prime is 154031047. The next prime is 154031051. The reversal of 154031049 is 940130451.

154031049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (154031047) and next prime (154031051).

It can be written as a sum of positive squares in only one way, i.e., 145805625 + 8225424 = 12075^2 + 2868^2 .

It is not a de Polignac number, because 154031049 - 2¹ = 154031047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154031047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8557272 + ... + 8557289.

It is an arithmetic number, because the mean of its divisors is an integer number (37081551).

Almost surely, 2^154031049 is an apocalyptic number.

It is an amenable number.

154031049 is a deficient number, since it is larger than the sum of its proper divisors (68458257).

154031049 is a wasteful number, since it uses less digits than its factorization.

154031049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17114567 (or 17114564 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 154031049 is about 12410.9245828020. The cubic root of 154031049 is about 536.0468616209.

The spelling of 154031049 in words is "one hundred fifty-four million, thirty-one thousand, forty-nine".