154828690 has 32 divisors (see below), whose sum is σ = 297015984. Its totient is φ = 57907200.

The previous prime is 154828643. The next prime is 154828691. The reversal of 154828690 is 96828451.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 120758121 + 34070569 = 10989^2 + 5837^2 .

It is a super-2 number, since 2×154828690² = 47943846494232200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (154828691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23790 + ... + 29590.

Almost surely, 2^154828690 is an apocalyptic number.

154828690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154828690 is a deficient number, since it is larger than the sum of its proper divisors (142187294).

154828690 is a wasteful number, since it uses less digits than its factorization.

154828690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 154828690 is about 12443.0177207943. The cubic root of 154828690 is about 536.9705650333.

The spelling of 154828690 in words is "one hundred fifty-four million, eight hundred twenty-eight thousand, six hundred ninety".