155142461445023 has 16 divisors (see below), whose sum is σ = 167288891638176. Its totient is φ = 143026444500480.

The previous prime is 155142461445011. The next prime is 155142461445067. The reversal of 155142461445023 is 320544164241551.

It is a cyclic number.

It is not a de Polignac number, because 155142461445023 - 2¹⁴ = 155142461428639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155142461745023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50943611 + ... + 53903027.

It is an arithmetic number, because the mean of its divisors is an integer number (10455555727386).

Almost surely, 2^{155142461445023} is an apocalyptic number.

155142461445023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

155142461445023 is a deficient number, since it is larger than the sum of its proper divisors (12146430193153).

155142461445023 is a wasteful number, since it uses less digits than its factorization.

155142461445023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964554.

The product of its (nonzero) digits is 2304000, while the sum is 47.

The spelling of 155142461445023 in words is "one hundred fifty-five trillion, one hundred forty-two billion, four hundred sixty-one million, four hundred forty-five thousand, twenty-three".