154042141252 has 12 divisors (see below), whose sum is σ = 269582903100. Its totient is φ = 77018454656.

The previous prime is 154042141237. The next prime is 154042141291. The reversal of 154042141252 is 252141240451.

It can be written as a sum of positive squares in 2 ways, for example, as 38799544576 + 115242596676 = 196976^2 + 339474^2 .

It is a super-2 number, since 2×154042141252² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518377 + ... + 759472.

It is an arithmetic number, because the mean of its divisors is an integer number (22465241925).

Almost surely, 2^154042141252 is an apocalyptic number.

It is an amenable number.

154042141252 is a deficient number, since it is larger than the sum of its proper divisors (115540761848).

154042141252 is a wasteful number, since it uses less digits than its factorization.

154042141252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307990 (or 1307988 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The spelling of 154042141252 in words is "one hundred fifty-four billion, forty-two million, one hundred forty-one thousand, two hundred fifty-two".