145747077 has 16 divisors (see below), whose sum is σ = 222707712. Its totient is φ = 83052720.

The previous prime is 145747073. The next prime is 145747093. The reversal of 145747077 is 770747541.

It is not a de Polignac number, because 145747077 - 2² = 145747073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145747073) 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, 1749 + ... + 17162.

It is an arithmetic number, because the mean of its divisors is an integer number (13919232).

Almost surely, 2^145747077 is an apocalyptic number.

It is an amenable number.

145747077 is a deficient number, since it is larger than the sum of its proper divisors (76960635).

145747077 is a wasteful number, since it uses less digits than its factorization.

145747077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19288.

The product of its (nonzero) digits is 192080, while the sum is 42.

The square root of 145747077 is about 12072.5754087519. The cubic root of 145747077 is about 526.2595029531.

The spelling of 145747077 in words is "one hundred forty-five million, seven hundred forty-seven thousand, seventy-seven".