145873451 has 8 divisors (see below), whose sum is σ = 151048800. Its totient is φ = 140707840.

The previous prime is 145873439. The next prime is 145873459. The reversal of 145873451 is 154378541.

145873451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 145873451 - 2¹⁴ = 145857067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145873459) 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, 42155 + ... + 45483.

It is an arithmetic number, because the mean of its divisors is an integer number (18881100).

Almost surely, 2^145873451 is an apocalyptic number.

145873451 is a deficient number, since it is larger than the sum of its proper divisors (5175349).

145873451 is a wasteful number, since it uses less digits than its factorization.

145873451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869.

The product of its digits is 67200, while the sum is 38.

The square root of 145873451 is about 12077.8082034780. The cubic root of 145873451 is about 526.4115615907.

The spelling of 145873451 in words is "one hundred forty-five million, eight hundred seventy-three thousand, four hundred fifty-one".