145111051 has 4 divisors (see below), whose sum is σ = 145277392. Its totient is φ = 144944712.

The previous prime is 145111049. The next prime is 145111121. The reversal of 145111051 is 150111541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145111051 - 2¹ = 145111049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145111951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81855 + ... + 83608.

It is an arithmetic number, because the mean of its divisors is an integer number (36319348).

Almost surely, 2^145111051 is an apocalyptic number.

145111051 is a deficient number, since it is larger than the sum of its proper divisors (166341).

145111051 is an equidigital number, since it uses as much as digits as its factorization.

145111051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166340.

The product of its (nonzero) digits is 100, while the sum is 19.

The square root of 145111051 is about 12046.2048380392. The cubic root of 145111051 is about 525.4928716884.

Adding to 145111051 its reverse (150111541), we get a palindrome (295222592).

The spelling of 145111051 in words is "one hundred forty-five million, one hundred eleven thousand, fifty-one".