145040153653 has 4 divisors (see below), whose sum is σ = 145050868908. Its totient is φ = 145029438400.

The previous prime is 145040153641. The next prime is 145040153663. The reversal of 145040153653 is 356351040541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356351040541 = 16139 ⋅22080119.

It can be written as a sum of positive squares in 2 ways, for example, as 72464871249 + 72575282404 = 269193^2 + 269398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145040153653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145040153633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5337298 + ... + 5364403.

It is an arithmetic number, because the mean of its divisors is an integer number (36262717227).

Almost surely, 2^145040153653 is an apocalyptic number.

It is an amenable number.

145040153653 is a deficient number, since it is larger than the sum of its proper divisors (10715255).

145040153653 is a wasteful number, since it uses less digits than its factorization.

145040153653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10715254.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 145040153653 in words is "one hundred forty-five billion, forty million, one hundred fifty-three thousand, six hundred fifty-three".