145453451 has 8 divisors (see below), whose sum is σ = 170882544. Its totient is φ = 122058720.

The previous prime is 145453439. The next prime is 145453489. The reversal of 145453451 is 154354541.

145453451 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 145453451 - 2⁶ = 145453387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145453421) 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, 508436 + ... + 508721.

It is an arithmetic number, because the mean of its divisors is an integer number (21360318).

Almost surely, 2^145453451 is an apocalyptic number.

145453451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145453451 is a deficient number, since it is larger than the sum of its proper divisors (25429093).

145453451 is a wasteful number, since it uses less digits than its factorization.

145453451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017181.

The product of its digits is 24000, while the sum is 32.

The square root of 145453451 is about 12060.4084093367. The cubic root of 145453451 is about 525.9058598216.

The spelling of 145453451 in words is "one hundred forty-five million, four hundred fifty-three thousand, four hundred fifty-one".