145500343551 has 8 divisors (see below), whose sum is σ = 215556064560. Its totient is φ = 97000229016.

The previous prime is 145500343537. The next prime is 145500343567. The reversal of 145500343551 is 155343005541.

145500343551 is a `hidden beast` number, since 1 + 45 + 500 + 34 + 35 + 51 = 666.

It is not a de Polignac number, because 145500343551 - 2⁹ = 145500343039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145500343151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2694450780 + ... + 2694450833.

It is an arithmetic number, because the mean of its divisors is an integer number (26944508070).

Almost surely, 2^145500343551 is an apocalyptic number.

145500343551 is a deficient number, since it is larger than the sum of its proper divisors (70055721009).

145500343551 is an equidigital number, since it uses as much as digits as its factorization.

145500343551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388901622 (or 5388901616 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 145500343551 in words is "one hundred forty-five billion, five hundred million, three hundred forty-three thousand, five hundred fifty-one".