145274583477 has 16 divisors (see below), whose sum is σ = 194200312320. Its totient is φ = 96599382000.

The previous prime is 145274583473. The next prime is 145274583491. The reversal of 145274583477 is 774385472541.

It is not a de Polignac number, because 145274583477 - 2² = 145274583473 is a prime.

It is a super-2 number, since 2×145274583477² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145274583473) 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, 9358152 + ... + 9373662.

It is an arithmetic number, because the mean of its divisors is an integer number (12137519520).

Almost surely, 2^145274583477 is an apocalyptic number.

It is an amenable number.

145274583477 is a deficient number, since it is larger than the sum of its proper divisors (48925728843).

145274583477 is a wasteful number, since it uses less digits than its factorization.

145274583477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23384.

The product of its digits is 26342400, while the sum is 57.

The spelling of 145274583477 in words is "one hundred forty-five billion, two hundred seventy-four million, five hundred eighty-three thousand, four hundred seventy-seven".