145768455 has 96 divisors (see below), whose sum is σ = 309464064. Its totient is φ = 61959168.

The previous prime is 145768451. The next prime is 145768459. The reversal of 145768455 is 554867541.

It is an interprime number because it is at equal distance from previous prime (145768451) and next prime (145768459).

It is not a de Polignac number, because 145768455 - 2² = 145768451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 145768455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145768451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 872782 + ... + 872948.

It is an arithmetic number, because the mean of its divisors is an integer number (3223584).

Almost surely, 2^145768455 is an apocalyptic number.

145768455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145768455 is an abundant number, since it is smaller than the sum of its proper divisors (163695609).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145768455 is a wasteful number, since it uses less digits than its factorization.

145768455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 362 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 145768455 is about 12073.4607714607. The cubic root of 145768455 is about 526.2852320584.

The spelling of 145768455 in words is "one hundred forty-five million, seven hundred sixty-eight thousand, four hundred fifty-five".