145102077 has 8 divisors (see below), whose sum is σ = 214966080. Its totient is φ = 96734700.

The previous prime is 145101991. The next prime is 145102099. The reversal of 145102077 is 770201541.

145102077 is a `hidden beast` number, since 1 + 451 + 0 + 207 + 7 = 666.

145102077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145102077 - 2⁸ = 145101821 is a prime.

It is a super-2 number, since 2×145102077² = 42109225499427858, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5374151 = 145102077 / (1 + 4 + 5 + 1 + 0 + 2 + 0 + 7 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 145102077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145102577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2687049 + ... + 2687102.

It is an arithmetic number, because the mean of its divisors is an integer number (26870760).

Almost surely, 2^145102077 is an apocalyptic number.

It is an amenable number.

145102077 is a deficient number, since it is larger than the sum of its proper divisors (69864003).

145102077 is an equidigital number, since it uses as much as digits as its factorization.

145102077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374160 (or 5374154 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 145102077 is about 12045.8323498212. The cubic root of 145102077 is about 525.4820389039.

The spelling of 145102077 in words is "one hundred forty-five million, one hundred two thousand, seventy-seven".