145133877 has 16 divisors (see below), whose sum is σ = 222308480. Its totient is φ = 82501632.

The previous prime is 145133867. The next prime is 145133899. The reversal of 145133877 is 778331541.

It is not a de Polignac number, because 145133877 - 2⁴ = 145133861 is a prime.

It is a super-2 number, since 2×145133877² = 42127684506102258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145133867) 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, 13852 + ... + 21957.

It is an arithmetic number, because the mean of its divisors is an integer number (13894280).

Almost surely, 2^145133877 is an apocalyptic number.

It is an amenable number.

145133877 is a deficient number, since it is larger than the sum of its proper divisors (77174603).

145133877 is a wasteful number, since it uses less digits than its factorization.

145133877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36012.

The product of its digits is 70560, while the sum is 39.

The square root of 145133877 is about 12047.1522361096. The cubic root of 145133877 is about 525.5204236249.

The spelling of 145133877 in words is "one hundred forty-five million, one hundred thirty-three thousand, eight hundred seventy-seven".