154320141023452 has 6 divisors (see below), whose sum is σ = 270060246791048. Its totient is φ = 77160070511724.

The previous prime is 154320141023449. The next prime is 154320141023471. The reversal of 154320141023452 is 254320141023451.

It is a super-2 number, since 2×154320141023452² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19290017627928 + ... + 19290017627935.

Almost surely, 2^{154320141023452} is an apocalyptic number.

It is an amenable number.

154320141023452 is a deficient number, since it is larger than the sum of its proper divisors (115740105767596).

154320141023452 is a wasteful number, since it uses less digits than its factorization.

154320141023452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38580035255867 (or 38580035255865 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Subtracting 154320141023452 from its reverse (254320141023451), we obtain a palindrome (99999999999999).

The spelling of 154320141023452 in words is "one hundred fifty-four trillion, three hundred twenty billion, one hundred forty-one million, twenty-three thousand, four hundred fifty-two".