145270051 has 2 divisors, whose sum is σ = 145270052. Its totient is φ = 145270050.

The previous prime is 145270033. The next prime is 145270087. The reversal of 145270051 is 150072541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145270051 - 2¹¹ = 145268003 is a prime.

It is a super-2 number, since 2×145270051² = 42206775435085202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145269998 and 145270025.

It is not a weakly prime, because it can be changed into another prime (145270031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72635025 + 72635026.

It is an arithmetic number, because the mean of its divisors is an integer number (72635026).

Almost surely, 2^145270051 is an apocalyptic number.

145270051 is a deficient number, since it is larger than the sum of its proper divisors (1).

145270051 is an equidigital number, since it uses as much as digits as its factorization.

145270051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 145270051 is about 12052.8026201378. The cubic root of 145270051 is about 525.6847313429.

The spelling of 145270051 in words is "one hundred forty-five million, two hundred seventy thousand, fifty-one".