145386051 has 4 divisors (see below), whose sum is σ = 193848072. Its totient is φ = 96924032.

The previous prime is 145386029. The next prime is 145386067. The reversal of 145386051 is 150683541.

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 145386051 - 2⁷ = 145385923 is a prime.

It is a super-2 number, since 2×145386051² = 42274207650749202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145381051) 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, 24231006 + ... + 24231011.

It is an arithmetic number, because the mean of its divisors is an integer number (48462018).

Almost surely, 2^145386051 is an apocalyptic number.

145386051 is a deficient number, since it is larger than the sum of its proper divisors (48462021).

145386051 is an equidigital number, since it uses as much as digits as its factorization.

145386051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48462020.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 145386051 is about 12057.6138186625. The cubic root of 145386051 is about 525.8246161176.

The spelling of 145386051 in words is "one hundred forty-five million, three hundred eighty-six thousand, fifty-one".