145672261019 has 2 divisors, whose sum is σ = 145672261020. Its totient is φ = 145672261018.

The previous prime is 145672261001. The next prime is 145672261051. The reversal of 145672261019 is 910162276541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145672261019 - 2²⁸ = 145403825563 is a prime.

It is a super-2 number, since 2×145672261019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145672261619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72836130509 + 72836130510.

It is an arithmetic number, because the mean of its divisors is an integer number (72836130510).

Almost surely, 2^145672261019 is an apocalyptic number.

145672261019 is a deficient number, since it is larger than the sum of its proper divisors (1).

145672261019 is an equidigital number, since it uses as much as digits as its factorization.

145672261019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 145672261019 in words is "one hundred forty-five billion, six hundred seventy-two million, two hundred sixty-one thousand, nineteen".