145932361777 has 32 divisors (see below), whose sum is σ = 153170196480. Its totient is φ = 138919495680.

The previous prime is 145932361759. The next prime is 145932361801. The reversal of 145932361777 is 777163239541.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 145932361777 - 2⁷ = 145932361649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145932341777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196409268 + ... + 196410010.

It is an arithmetic number, because the mean of its divisors is an integer number (4786568640).

Almost surely, 2^145932361777 is an apocalyptic number.

It is an amenable number.

145932361777 is a deficient number, since it is larger than the sum of its proper divisors (7237834703).

145932361777 is a wasteful number, since it uses less digits than its factorization.

145932361777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

The product of its digits is 6667920, while the sum is 55.

The spelling of 145932361777 in words is "one hundred forty-five billion, nine hundred thirty-two million, three hundred sixty-one thousand, seven hundred seventy-seven".