145042501121 has 8 divisors (see below), whose sum is σ = 168033583104. Its totient is φ = 122619100320.

The previous prime is 145042501081. The next prime is 145042501187. The reversal of 145042501121 is 121105240541.

It is a happy number.

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 145042501121 - 2³⁴ = 127862631937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145042501621) 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, 141919745 + ... + 141920766.

It is an arithmetic number, because the mean of its divisors is an integer number (21004197888).

Almost surely, 2^145042501121 is an apocalyptic number.

It is an amenable number.

145042501121 is a deficient number, since it is larger than the sum of its proper divisors (22991081983).

145042501121 is an equidigital number, since it uses as much as digits as its factorization.

145042501121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283840591.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 145042501121 its reverse (121105240541), we get a palindrome (266147741662).

The spelling of 145042501121 in words is "one hundred forty-five billion, forty-two million, five hundred one thousand, one hundred twenty-one".