145405562405 has 32 divisors (see below), whose sum is σ = 179824475520. Its totient is φ = 112788599040.

The previous prime is 145405562399. The next prime is 145405562431. The reversal of 145405562405 is 504265504541.

145405562405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145405562405 - 2⁴ = 145405562389 is a prime.

It is a super-2 number, since 2×145405562405² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92555270 + ... + 92556840.

It is an arithmetic number, because the mean of its divisors is an integer number (5619514860).

Almost surely, 2^145405562405 is an apocalyptic number.

It is an amenable number.

145405562405 is a deficient number, since it is larger than the sum of its proper divisors (34418913115).

145405562405 is a wasteful number, since it uses less digits than its factorization.

145405562405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 145405562405 in words is "one hundred forty-five billion, four hundred five million, five hundred sixty-two thousand, four hundred five".