147221217260454 has 32 divisors (see below), whose sum is σ = 299086332733440. Its totient is φ = 48302056152000.

The previous prime is 147221217260443. The next prime is 147221217260459. The reversal of 147221217260454 is 454062712122741.

It is a happy number.

It is a super-2 number, since 2×147221217260454² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147221217260459) 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, 287256214 + ... + 287768265.

It is an arithmetic number, because the mean of its divisors is an integer number (9346447897920).

Almost surely, 2^{147221217260454} is an apocalyptic number.

147221217260454 is an abundant number, since it is smaller than the sum of its proper divisors (151865115472986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147221217260454 is a wasteful number, since it uses less digits than its factorization.

147221217260454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575025156.

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 147221217260454 in words is "one hundred forty-seven trillion, two hundred twenty-one billion, two hundred seventeen million, two hundred sixty thousand, four hundred fifty-four".