154098402 has 16 divisors (see below), whose sum is σ = 318824640. Its totient is φ = 49594832.

The previous prime is 154098391. The next prime is 154098437. The reversal of 154098402 is 204890451.

It is a super-4 number, since 4×154098402⁴ (a number of 34 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442638 + ... + 442985.

It is an arithmetic number, because the mean of its divisors is an integer number (19926540).

Almost surely, 2^154098402 is an apocalyptic number.

154098402 is an abundant number, since it is smaller than the sum of its proper divisors (164726238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154098402 is a wasteful number, since it uses less digits than its factorization.

154098402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885657.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 154098402 is about 12413.6377424186. The cubic root of 154098402 is about 536.1249824572.

The spelling of 154098402 in words is "one hundred fifty-four million, ninety-eight thousand, four hundred two".