145443001551431 has 8 divisors (see below), whose sum is σ = 150298915722384. Its totient is φ = 140654065507200.

The previous prime is 145443001551427. The next prime is 145443001551437. The reversal of 145443001551431 is 134155100344541.

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

It is a cyclic number.

It is not a de Polignac number, because 145443001551431 - 2² = 145443001551427 is a prime.

It is a super-2 number, since 2×145443001551431² (a number of 29 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 (145443001551437) 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, 16744527266 + ... + 16744535951.

It is an arithmetic number, because the mean of its divisors is an integer number (18787364465298).

Almost surely, 2^{145443001551431} is an apocalyptic number.

145443001551431 is a deficient number, since it is larger than the sum of its proper divisors (4855914170953).

145443001551431 is a wasteful number, since it uses less digits than its factorization.

145443001551431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33489063361.

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 145443001551431 its reverse (134155100344541), we get a palindrome (279598101895972).

The spelling of 145443001551431 in words is "one hundred forty-five trillion, four hundred forty-three billion, one million, five hundred fifty-one thousand, four hundred thirty-one".