145356807 has 4 divisors (see below), whose sum is σ = 193809080. Its totient is φ = 96904536.

The previous prime is 145356791. The next prime is 145356833. The reversal of 145356807 is 708653541.

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

It is not a de Polignac number, because 145356807 - 2⁴ = 145356791 is a prime.

It is a super-2 number, since 2×145356807² = 42257202682470498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145356857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24226132 + ... + 24226137.

It is an arithmetic number, because the mean of its divisors is an integer number (48452270).

Almost surely, 2^145356807 is an apocalyptic number.

145356807 is a deficient number, since it is larger than the sum of its proper divisors (48452273).

145356807 is an equidigital number, since it uses as much as digits as its factorization.

145356807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48452272.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 145356807 is about 12056.4010799243. The cubic root of 145356807 is about 525.7893577002.

The spelling of 145356807 in words is "one hundred forty-five million, three hundred fifty-six thousand, eight hundred seven".