145461605 has 16 divisors (see below), whose sum is σ = 187432704. Its totient is φ = 107976960.

The previous prime is 145461601. The next prime is 145461607. The reversal of 145461605 is 506164541.

It is not a de Polignac number, because 145461605 - 2² = 145461601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145461601) 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 15 ways as a sum of consecutive naturals, for example, 6017 + ... + 18086.

It is an arithmetic number, because the mean of its divisors is an integer number (11714544).

Almost surely, 2^145461605 is an apocalyptic number.

It is an amenable number.

145461605 is a deficient number, since it is larger than the sum of its proper divisors (41971099).

145461605 is a wasteful number, since it uses less digits than its factorization.

145461605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24196.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 145461605 is about 12060.7464528527. The cubic root of 145461605 is about 525.9156869203.

The spelling of 145461605 in words is "one hundred forty-five million, four hundred sixty-one thousand, six hundred five".