145842051 has 4 divisors (see below), whose sum is σ = 194456072. Its totient is φ = 97228032.

The previous prime is 145842019. The next prime is 145842071. The reversal of 145842051 is 150248541.

145842051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150248541 = 3 ⋅50082847.

It is not a de Polignac number, because 145842051 - 2⁵ = 145842019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145842071) 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, 24307006 + ... + 24307011.

It is an arithmetic number, because the mean of its divisors is an integer number (48614018).

Almost surely, 2^145842051 is an apocalyptic number.

145842051 is a deficient number, since it is larger than the sum of its proper divisors (48614021).

145842051 is an equidigital number, since it uses as much as digits as its factorization.

145842051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48614020.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 145842051 is about 12076.5082287887. The cubic root of 145842051 is about 526.3737879610.

The spelling of 145842051 in words is "one hundred forty-five million, eight hundred forty-two thousand, fifty-one".