145011465021 has 8 divisors (see below), whose sum is σ = 193497698944. Its totient is φ = 96599770560.

The previous prime is 145011464989. The next prime is 145011465073. The reversal of 145011465021 is 120564110541.

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

It is not a de Polignac number, because 145011465021 - 2⁵ = 145011464989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145011465021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145011465821) 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, 18630325 + ... + 18638106.

It is an arithmetic number, because the mean of its divisors is an integer number (24187212368).

Almost surely, 2^145011465021 is an apocalyptic number.

It is an amenable number.

145011465021 is a deficient number, since it is larger than the sum of its proper divisors (48486233923).

145011465021 is a wasteful number, since it uses less digits than its factorization.

145011465021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37269731.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 145011465021 its reverse (120564110541), we get a palindrome (265575575562).

The spelling of 145011465021 in words is "one hundred forty-five billion, eleven million, four hundred sixty-five thousand, twenty-one".