145351665310651 has 4 divisors (see below), whose sum is σ = 153001752958600. Its totient is φ = 137701577662704.

The previous prime is 145351665310589. The next prime is 145351665310661. The reversal of 145351665310651 is 156013566153541.

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

It is a cyclic number.

It is not a de Polignac number, because 145351665310651 - 2¹⁵ = 145351665277883 is a prime.

It is a super-2 number, since 2×145351665310651² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145351665310661) 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, 3825043823946 + ... + 3825043823983.

It is an arithmetic number, because the mean of its divisors is an integer number (38250438239650).

Almost surely, 2^{145351665310651} is an apocalyptic number.

145351665310651 is a deficient number, since it is larger than the sum of its proper divisors (7650087647949).

145351665310651 is an equidigital number, since it uses as much as digits as its factorization.

145351665310651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7650087647948.

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 145351665310651 in words is "one hundred forty-five trillion, three hundred fifty-one billion, six hundred sixty-five million, three hundred ten thousand, six hundred fifty-one".