145712655 has 32 divisors (see below), whose sum is σ = 282597120. Its totient is φ = 70647840.

The previous prime is 145712639. The next prime is 145712657. The reversal of 145712655 is 556217541.

145712655 is a `hidden beast` number, since 14 + 571 + 26 + 55 = 666.

It is not a de Polignac number, because 145712655 - 2⁴ = 145712639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145712657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47577 + ... + 50546.

It is an arithmetic number, because the mean of its divisors is an integer number (8831160).

Almost surely, 2^145712655 is an apocalyptic number.

145712655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145712655 is a deficient number, since it is larger than the sum of its proper divisors (136884465).

145712655 is a wasteful number, since it uses less digits than its factorization.

145712655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98148 (or 98142 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 145712655 is about 12071.1496966942. The cubic root of 145712655 is about 526.2180696902.

The spelling of 145712655 in words is "one hundred forty-five million, seven hundred twelve thousand, six hundred fifty-five".