145213050507 has 24 divisors (see below), whose sum is σ = 226472802192. Its totient is φ = 82520424000.

The previous prime is 145213050449. The next prime is 145213050547. The reversal of 145213050507 is 705050312541.

It is not a de Polignac number, because 145213050507 - 2⁸ = 145213050251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145213050547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2702244 + ... + 2755457.

It is an arithmetic number, because the mean of its divisors is an integer number (9436366758).

Almost surely, 2^145213050507 is an apocalyptic number.

145213050507 is a deficient number, since it is larger than the sum of its proper divisors (81259751685).

145213050507 is a wasteful number, since it uses less digits than its factorization.

145213050507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457899 (or 5457892 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 145213050507 in words is "one hundred forty-five billion, two hundred thirteen million, fifty thousand, five hundred seven".