145411656253 has 4 divisors (see below), whose sum is σ = 145415604348. Its totient is φ = 145407708160.

The previous prime is 145411656227. The next prime is 145411656289. The reversal of 145411656253 is 352656114541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15208315684 + 130203340569 = 123322^2 + 360837^2 .

It is a cyclic number.

It is not a de Polignac number, because 145411656253 - 2²¹ = 145409559101 is a prime.

It is a super-2 number, since 2×145411656253² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145411657253) 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, 1918276 + ... + 1992637.

It is an arithmetic number, because the mean of its divisors is an integer number (36353901087).

Almost surely, 2^145411656253 is an apocalyptic number.

It is an amenable number.

145411656253 is a deficient number, since it is larger than the sum of its proper divisors (3948095).

145411656253 is an equidigital number, since it uses as much as digits as its factorization.

145411656253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948094.

The product of its digits is 432000, while the sum is 43.

The spelling of 145411656253 in words is "one hundred forty-five billion, four hundred eleven million, six hundred fifty-six thousand, two hundred fifty-three".