154155251402 has 16 divisors (see below), whose sum is σ = 242535237120. Its totient is φ = 73398818448.

The previous prime is 154155251353. The next prime is 154155251441. The reversal of 154155251402 is 204152551451.

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, 22158002 + ... + 22164957.

It is an arithmetic number, because the mean of its divisors is an integer number (15158452320).

Almost surely, 2^154155251402 is an apocalyptic number.

154155251402 is a deficient number, since it is larger than the sum of its proper divisors (88379985718).

154155251402 is a wasteful number, since it uses less digits than its factorization.

154155251402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44323045.

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 154155251402 in words is "one hundred fifty-four billion, one hundred fifty-five million, two hundred fifty-one thousand, four hundred two".