145122837 has 4 divisors (see below), whose sum is σ = 193497120. Its totient is φ = 96748556.

The previous prime is 145122823. The next prime is 145122841. The reversal of 145122837 is 738221541.

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.

It is a cyclic number.

It is not a de Polignac number, because 145122837 - 2¹⁰ = 145121813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145122798 and 145122807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145122877) 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, 24187137 + ... + 24187142.

It is an arithmetic number, because the mean of its divisors is an integer number (48374280).

Almost surely, 2^145122837 is an apocalyptic number.

It is an amenable number.

145122837 is a deficient number, since it is larger than the sum of its proper divisors (48374283).

145122837 is an equidigital number, since it uses as much as digits as its factorization.

145122837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48374282.

The product of its digits is 13440, while the sum is 33.

The square root of 145122837 is about 12046.6940278236. The cubic root of 145122837 is about 525.5070982440.

The spelling of 145122837 in words is "one hundred forty-five million, one hundred twenty-two thousand, eight hundred thirty-seven".