149553829 has 8 divisors (see below), whose sum is σ = 150910200. Its totient is φ = 148203456.

The previous prime is 149553823. The next prime is 149553857. The reversal of 149553829 is 928355941.

It can be written as a sum of positive squares in 4 ways, for example, as 70308225 + 79245604 = 8385^2 + 8902^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 149553829 - 2¹⁵ = 149521061 is a prime.

It is a super-2 number, since 2×149553829² = 44732695537122482, 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 (149553823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59139 + ... + 61615.

It is an arithmetic number, because the mean of its divisors is an integer number (18863775).

Almost surely, 2^149553829 is an apocalyptic number.

It is an amenable number.

149553829 is a deficient number, since it is larger than the sum of its proper divisors (1356371).

149553829 is a wasteful number, since it uses less digits than its factorization.

149553829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999.

The product of its digits is 388800, while the sum is 46.

The square root of 149553829 is about 12229.2202940335. The cubic root of 149553829 is about 530.8019531380.

The spelling of 149553829 in words is "one hundred forty-nine million, five hundred fifty-three thousand, eight hundred twenty-nine".