145125412520455 has 4 divisors (see below), whose sum is σ = 174150495024552. Its totient is φ = 116100330016360.

The previous prime is 145125412520437. The next prime is 145125412520471. The reversal of 145125412520455 is 554025214521541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 145125412520455 - 2¹⁵ = 145125412487687 is a prime.

It is a super-2 number, since 2×145125412520455² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 14512541252041 + ... + 14512541252050.

It is an arithmetic number, because the mean of its divisors is an integer number (43537623756138).

Almost surely, 2^{145125412520455} is an apocalyptic number.

145125412520455 is a deficient number, since it is larger than the sum of its proper divisors (29025082504097).

145125412520455 is an equidigital number, since it uses as much as digits as its factorization.

145125412520455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29025082504096.

The product of its (nonzero) digits is 1600000, while the sum is 46.

The spelling of 145125412520455 in words is "one hundred forty-five trillion, one hundred twenty-five billion, four hundred twelve million, five hundred twenty thousand, four hundred fifty-five".