145559577 has 16 divisors (see below), whose sum is σ = 197455680. Its totient is φ = 95358912.

The previous prime is 145559543. The next prime is 145559587. The reversal of 145559577 is 775955541.

It is not a de Polignac number, because 145559577 - 2¹² = 145555481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145559537) 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, 130699 + ... + 131807.

It is an arithmetic number, because the mean of its divisors is an integer number (12340980).

Almost surely, 2^145559577 is an apocalyptic number.

It is an amenable number.

145559577 is a deficient number, since it is larger than the sum of its proper divisors (51896103).

145559577 is a wasteful number, since it uses less digits than its factorization.

145559577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832.

The product of its digits is 1102500, while the sum is 48.

The square root of 145559577 is about 12064.8073751718. The cubic root of 145559577 is about 526.0337328432.

The spelling of 145559577 in words is "one hundred forty-five million, five hundred fifty-nine thousand, five hundred seventy-seven".