45619149 has 4 divisors (see below), whose sum is σ = 60825536. Its totient is φ = 30412764.

The previous prime is 45619121. The next prime is 45619159. The reversal of 45619149 is 94191654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45619149 - 2¹¹ = 45617101 is a prime.

It is a super-2 number, since 2×45619149² = 4162213510968402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45619159) 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, 7603189 + ... + 7603194.

It is an arithmetic number, because the mean of its divisors is an integer number (15206384).

Almost surely, 2^45619149 is an apocalyptic number.

It is an amenable number.

45619149 is a deficient number, since it is larger than the sum of its proper divisors (15206387).

45619149 is a wasteful number, since it uses less digits than its factorization.

45619149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15206386.

The product of its digits is 38880, while the sum is 39.

The square root of 45619149 is about 6754.1949187153. The cubic root of 45619149 is about 357.3131995560.

The spelling of 45619149 in words is "forty-five million, six hundred nineteen thousand, one hundred forty-nine".