1438145102 has 8 divisors (see below), whose sum is σ = 2157914736. Its totient is φ = 718840192.

The previous prime is 1438145101. The next prime is 1438145147. The reversal of 1438145102 is 2015418341.

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

It is a super-2 number, since 2×1438145102² = 4136522668813180808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438145101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108338 + ... + 120885.

It is an arithmetic number, because the mean of its divisors is an integer number (269739342).

Almost surely, 2^1438145102 is an apocalyptic number.

1438145102 is a deficient number, since it is larger than the sum of its proper divisors (719769634).

1438145102 is a wasteful number, since it uses less digits than its factorization.

1438145102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232362.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1438145102 is about 37922.8836192608. The cubic root of 1438145102 is about 1128.7581580269.

The spelling of 1438145102 in words is "one billion, four hundred thirty-eight million, one hundred forty-five thousand, one hundred two".