149429454 has 16 divisors (see below), whose sum is σ = 299544960. Its totient is φ = 49695480.

The previous prime is 149429453. The next prime is 149429479. The reversal of 149429454 is 454924941.

It is a super-3 number, since 3×149429454³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149429453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25732 + ... + 30999.

It is an arithmetic number, because the mean of its divisors is an integer number (18721560).

Almost surely, 2^149429454 is an apocalyptic number.

149429454 is an abundant number, since it is smaller than the sum of its proper divisors (150115506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149429454 is a wasteful number, since it uses less digits than its factorization.

149429454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57175.

The product of its digits is 207360, while the sum is 42.

The square root of 149429454 is about 12224.1340797621. The cubic root of 149429454 is about 530.6547668862.

The spelling of 149429454 in words is "one hundred forty-nine million, four hundred twenty-nine thousand, four hundred fifty-four".