145540515131 has 8 divisors (see below), whose sum is σ = 158946533184. Its totient is φ = 132163674120.

The previous prime is 145540515061. The next prime is 145540515157. The reversal of 145540515131 is 131515045541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145540515131 - 2¹⁰ = 145540514107 is a prime.

It is a super-2 number, since 2×145540515131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145540515091 and 145540515100.

It is not an unprimeable number, because it can be changed into a prime (145540515161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7283825 + ... + 7303778.

It is an arithmetic number, because the mean of its divisors is an integer number (19868316648).

Almost surely, 2^145540515131 is an apocalyptic number.

145540515131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145540515131 is a deficient number, since it is larger than the sum of its proper divisors (13406018053).

145540515131 is a wasteful number, since it uses less digits than its factorization.

145540515131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14588521.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 145540515131 in words is "one hundred forty-five billion, five hundred forty million, five hundred fifteen thousand, one hundred thirty-one".