1454001645 has 16 divisors (see below), whose sum is σ = 2334629952. Its totient is φ = 772725120.

The previous prime is 1454001641. The next prime is 1454001677. The reversal of 1454001645 is 5461004541.

It is not a de Polignac number, because 1454001645 - 2² = 1454001641 is a prime.

It is a super-3 number, since 3×1454001645³ (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 not an unprimeable number, because it can be changed into a prime (1454001641) 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, 167016 + ... + 175505.

It is an arithmetic number, because the mean of its divisors is an integer number (145914372).

Almost surely, 2^1454001645 is an apocalyptic number.

1454001645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1454001645 is a deficient number, since it is larger than the sum of its proper divisors (880628307).

1454001645 is a wasteful number, since it uses less digits than its factorization.

1454001645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342812.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1454001645 is about 38131.3735000459. The cubic root of 1454001645 is about 1132.8914503307.

The spelling of 1454001645 in words is "one billion, four hundred fifty-four million, one thousand, six hundred forty-five".