145155791265 has 16 divisors (see below), whose sum is σ = 235047451968. Its totient is φ = 76483693376.

The previous prime is 145155791233. The next prime is 145155791267. The reversal of 145155791265 is 562197551541.

It is a cyclic number.

It is not a de Polignac number, because 145155791265 - 2⁵ = 145155791233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145155791267) 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, 58294254 + ... + 58296743.

It is an arithmetic number, because the mean of its divisors is an integer number (14690465748).

Almost surely, 2^145155791265 is an apocalyptic number.

145155791265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145155791265 is a deficient number, since it is larger than the sum of its proper divisors (89891660703).

145155791265 is a wasteful number, since it uses less digits than its factorization.

145155791265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116591088.

The product of its digits is 1890000, while the sum is 51.

The spelling of 145155791265 in words is "one hundred forty-five billion, one hundred fifty-five million, seven hundred ninety-one thousand, two hundred sixty-five".