145401154511 has 4 divisors (see below), whose sum is σ = 145918596624. Its totient is φ = 144883712400.

The previous prime is 145401154439. The next prime is 145401154529. The reversal of 145401154511 is 115451104541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115451104541 = 17189 ⋅6716569.

It is a de Polignac number, because none of the positive numbers 2^k-145401154511 is a prime.

It is a super-2 number, since 2×145401154511² (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 (145401154541) 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, 258720635 + ... + 258721196.

It is an arithmetic number, because the mean of its divisors is an integer number (36479649156).

Almost surely, 2^145401154511 is an apocalyptic number.

145401154511 is a deficient number, since it is larger than the sum of its proper divisors (517442113).

145401154511 is an equidigital number, since it uses as much as digits as its factorization.

145401154511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517442112.

The product of its (nonzero) digits is 8000, while the sum is 32.

The spelling of 145401154511 in words is "one hundred forty-five billion, four hundred one million, one hundred fifty-four thousand, five hundred eleven".