154030990 has 16 divisors (see below), whose sum is σ = 281395152. Its totient is φ = 60692544.

The previous prime is 154030939. The next prime is 154030991. The reversal of 154030990 is 99030451.

154030990 is digitally balanced in base 2, 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 (154030991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114279 + ... + 115618.

It is an arithmetic number, because the mean of its divisors is an integer number (17587197).

Almost surely, 2^154030990 is an apocalyptic number.

154030990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154030990 is a deficient number, since it is larger than the sum of its proper divisors (127364162).

154030990 is a wasteful number, since it uses less digits than its factorization.

154030990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229971.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 154030990 is about 12410.9222058637. The cubic root of 154030990 is about 536.0467931785.

The spelling of 154030990 in words is "one hundred fifty-four million, thirty thousand, nine hundred ninety".