145400402451 has 8 divisors (see below), whose sum is σ = 194486588560. Its totient is φ = 96623908992.

The previous prime is 145400402419. The next prime is 145400402461. The reversal of 145400402451 is 154204004541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145400402451 - 2⁵ = 145400402419 is a prime.

It is a super-2 number, since 2×145400402451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145400402461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77422066 + ... + 77423943.

It is an arithmetic number, because the mean of its divisors is an integer number (24310823570).

Almost surely, 2^145400402451 is an apocalyptic number.

145400402451 is a deficient number, since it is larger than the sum of its proper divisors (49086186109).

145400402451 is a wasteful number, since it uses less digits than its factorization.

145400402451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154846325.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 145400402451 its reverse (154204004541), we get a palindrome (299604406992).

The spelling of 145400402451 in words is "one hundred forty-five billion, four hundred million, four hundred two thousand, four hundred fifty-one".