145334377507 has 4 divisors (see below), whose sum is σ = 158546593656. Its totient is φ = 132122161360.

The previous prime is 145334377483. The next prime is 145334377541. The reversal of 145334377507 is 705773433541.

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

It is a cyclic number.

It is not a de Polignac number, because 145334377507 - 2²⁷ = 145200159779 is a prime.

It is a super-2 number, since 2×145334377507² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145334377907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6606108058 + ... + 6606108079.

It is an arithmetic number, because the mean of its divisors is an integer number (39636648414).

Almost surely, 2^145334377507 is an apocalyptic number.

145334377507 is a deficient number, since it is larger than the sum of its proper divisors (13212216149).

145334377507 is a wasteful number, since it uses less digits than its factorization.

145334377507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13212216148.

The product of its (nonzero) digits is 3704400, while the sum is 49.

The spelling of 145334377507 in words is "one hundred forty-five billion, three hundred thirty-four million, three hundred seventy-seven thousand, five hundred seven".