147213451 has 16 divisors (see below), whose sum is σ = 189462528. Its totient is φ = 111009600.

The previous prime is 147213449. The next prime is 147213503. The reversal of 147213451 is 154312741.

It is a cyclic number.

It is not a de Polignac number, because 147213451 - 2¹ = 147213449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147213401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28450 + ... + 33223.

It is an arithmetic number, because the mean of its divisors is an integer number (11841408).

Almost surely, 2^147213451 is an apocalyptic number.

147213451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

147213451 is a deficient number, since it is larger than the sum of its proper divisors (42249077).

147213451 is a wasteful number, since it uses less digits than its factorization.

147213451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61722.

The product of its digits is 3360, while the sum is 28.

The square root of 147213451 is about 12133.1550307412. The cubic root of 147213451 is about 528.0185310205.

The spelling of 147213451 in words is "one hundred forty-seven million, two hundred thirteen thousand, four hundred fifty-one".