145304564121131 has 16 divisors (see below), whose sum is σ = 160575417100800. Its totient is φ = 130783311255168.

The previous prime is 145304564121089. The next prime is 145304564121137. The reversal of 145304564121131 is 131121465403541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145304564121131 is a prime.

It is a super-2 number, since 2×145304564121131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145304564121137) 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, 37882301 + ... + 41541278.

It is an arithmetic number, because the mean of its divisors is an integer number (10035963568800).

Almost surely, 2^{145304564121131} is an apocalyptic number.

145304564121131 is a deficient number, since it is larger than the sum of its proper divisors (15270852979669).

145304564121131 is a wasteful number, since it uses less digits than its factorization.

145304564121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79428298.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 145304564121131 in words is "one hundred forty-five trillion, three hundred four billion, five hundred sixty-four million, one hundred twenty-one thousand, one hundred thirty-one".