145166658 has 32 divisors (see below), whose sum is σ = 357334656. Its totient is φ = 38285568.

The previous prime is 145166653. The next prime is 145166683. The reversal of 145166658 is 856661541.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (145166653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132391 + ... + 133482.

It is an arithmetic number, because the mean of its divisors is an integer number (11166708).

Almost surely, 2^145166658 is an apocalyptic number.

145166658 is an abundant number, since it is smaller than the sum of its proper divisors (212167998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145166658 is a wasteful number, since it uses less digits than its factorization.

145166658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265898.

The product of its digits is 172800, while the sum is 42.

The square root of 145166658 is about 12048.5126882948. The cubic root of 145166658 is about 525.5599866098.

The spelling of 145166658 in words is "one hundred forty-five million, one hundred sixty-six thousand, six hundred fifty-eight".