1445620454 has 8 divisors (see below), whose sum is σ = 2214567648. Its totient is φ = 707431240.

The previous prime is 1445620439. The next prime is 1445620481. The reversal of 1445620454 is 4540265441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1445620454³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7689377 + ... + 7689564.

It is an arithmetic number, because the mean of its divisors is an integer number (276820956).

Almost surely, 2^1445620454 is an apocalyptic number.

1445620454 is a deficient number, since it is larger than the sum of its proper divisors (768947194).

1445620454 is a wasteful number, since it uses less digits than its factorization.

1445620454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15378990.

The product of its (nonzero) digits is 76800, while the sum is 35.

The square root of 1445620454 is about 38021.3157847016. The cubic root of 1445620454 is about 1130.7105078176.

Adding to 1445620454 its reverse (4540265441), we get a palindrome (5985885895).

The spelling of 1445620454 in words is "one billion, four hundred forty-five million, six hundred twenty thousand, four hundred fifty-four".