141428749 has 12 divisors (see below), whose sum is σ = 179476128. Its totient is φ = 110203800.

The previous prime is 141428731. The next prime is 141428753. The reversal of 141428749 is 947824141.

It is not a de Polignac number, because 141428749 - 2⁵ = 141428717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141420749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130657 + ... + 131734.

It is an arithmetic number, because the mean of its divisors is an integer number (14956344).

Almost surely, 2^141428749 is an apocalyptic number.

It is an amenable number.

141428749 is a deficient number, since it is larger than the sum of its proper divisors (38047379).

141428749 is a wasteful number, since it uses less digits than its factorization.

141428749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262416 (or 262409 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 141428749 is about 11892.3819733475. The cubic root of 141428749 is about 521.0098091907.

The spelling of 141428749 in words is "one hundred forty-one million, four hundred twenty-eight thousand, seven hundred forty-nine".