154105145025002 has 16 divisors (see below), whose sum is σ = 233583790892040. Its totient is φ = 76246106130432.

The previous prime is 154105145024953. The next prime is 154105145025071. The reversal of 154105145025002 is 200520541501451.

It can be written as a sum of positive squares in 4 ways, for example, as 82683394627681 + 71421750397321 = 9093041^2 + 8451139^2 .

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, 556045127 + ... + 556322202.

Almost surely, 2^{154105145025002} is an apocalyptic number.

154105145025002 is a deficient number, since it is larger than the sum of its proper divisors (79478645867038).

154105145025002 is a wasteful number, since it uses less digits than its factorization.

154105145025002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112368057.

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

Adding to 154105145025002 its reverse (200520541501451), we get a palindrome (354625686526453).

The spelling of 154105145025002 in words is "one hundred fifty-four trillion, one hundred five billion, one hundred forty-five million, twenty-five thousand, two".