145352051 has 4 divisors (see below), whose sum is σ = 156532992. Its totient is φ = 134171112.

The previous prime is 145352017. The next prime is 145352063. The reversal of 145352051 is 150253541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150253541 = 229 ⋅656129.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145352051 is a prime.

It is a super-2 number, since 2×145352051² = 42254437459813202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145352051.

It is not an unprimeable number, because it can be changed into a prime (145352551) 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, 5590451 + ... + 5590476.

It is an arithmetic number, because the mean of its divisors is an integer number (39133248).

Almost surely, 2^145352051 is an apocalyptic number.

145352051 is a deficient number, since it is larger than the sum of its proper divisors (11180941).

145352051 is a wasteful number, since it uses less digits than its factorization.

145352051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11180940.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 145352051 is about 12056.2038386882. The cubic root of 145352051 is about 525.7836231185.

The spelling of 145352051 in words is "one hundred forty-five million, three hundred fifty-two thousand, fifty-one".