145462120501 has 4 divisors (see below), whose sum is σ = 153118021600. Its totient is φ = 137806219404.

The previous prime is 145462120487. The next prime is 145462120513. The reversal of 145462120501 is 105021264541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 105021264541 = 809 ⋅129816149.

It is not a de Polignac number, because 145462120501 - 2⁷ = 145462120373 is a prime.

It is a super-4 number, since 4×145462120501⁴ (a number of 46 digits) contains 4444 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 (145462120571) 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, 3827950521 + ... + 3827950558.

It is an arithmetic number, because the mean of its divisors is an integer number (38279505400).

Almost surely, 2^145462120501 is an apocalyptic number.

It is an amenable number.

145462120501 is a deficient number, since it is larger than the sum of its proper divisors (7655901099).

145462120501 is an equidigital number, since it uses as much as digits as its factorization.

145462120501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7655901098.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 145462120501 in words is "one hundred forty-five billion, four hundred sixty-two million, one hundred twenty thousand, five hundred one".