154949012 has 6 divisors (see below), whose sum is σ = 271160778. Its totient is φ = 77474504.

The previous prime is 154948993. The next prime is 154949021. The reversal of 154949012 is 210949451.

It can be written as a sum of positive squares in only one way, i.e., 132802576 + 22146436 = 11524^2 + 4706^2 .

It is a super-2 number, since 2×154949012² = 48018392639552288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19368623 + ... + 19368630.

It is an arithmetic number, because the mean of its divisors is an integer number (45193463).

Almost surely, 2^154949012 is an apocalyptic number.

It is an amenable number.

154949012 is a deficient number, since it is larger than the sum of its proper divisors (116211766).

154949012 is a wasteful number, since it uses less digits than its factorization.

154949012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38737257 (or 38737255 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 154949012 is about 12447.8517022015. The cubic root of 154949012 is about 537.1096276384.

The spelling of 154949012 in words is "one hundred fifty-four million, nine hundred forty-nine thousand, twelve".