154021012 has 12 divisors (see below), whose sum is σ = 275805376. Its totient is φ = 75219480.

The previous prime is 154021009. The next prime is 154021019. The reversal of 154021012 is 210120451.

154021012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154021019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447564 + ... + 447907.

Almost surely, 2^154021012 is an apocalyptic number.

It is an amenable number.

154021012 is a deficient number, since it is larger than the sum of its proper divisors (121784364).

154021012 is a wasteful number, since it uses less digits than its factorization.

154021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895518 (or 895516 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 154021012 is about 12410.5202147211. The cubic root of 154021012 is about 536.0352180394.

Adding to 154021012 its reverse (210120451), we get a palindrome (364141463).

The spelling of 154021012 in words is "one hundred fifty-four million, twenty-one thousand, twelve".