149020426 has 4 divisors (see below), whose sum is σ = 223530642. Its totient is φ = 74510212.

The previous prime is 149020411. The next prime is 149020429. The reversal of 149020426 is 624020941.

149020426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 148864401 + 156025 = 12201^2 + 395^2 .

It is a junction number, because it is equal to n+sod(n) for n = 149020394 and 149020403.

It is not an unprimeable number, because it can be changed into a prime (149020429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37255105 + ... + 37255108.

Almost surely, 2^149020426 is an apocalyptic number.

149020426 is a deficient number, since it is larger than the sum of its proper divisors (74510216).

149020426 is an equidigital number, since it uses as much as digits as its factorization.

149020426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74510215.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 149020426 is about 12207.3922686215. The cubic root of 149020426 is about 530.1701435463.

The spelling of 149020426 in words is "one hundred forty-nine million, twenty thousand, four hundred twenty-six".