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149232745 = 5191570871
BaseRepresentation
bin10001110010100…
…01110001101001
3101101210210211201
420321101301221
5301200421440
622450324201
73461312614
oct1071216151
9341723751
10149232745
1177268852
1241b89661
1324bc08cc
1415b6917b
15d17c19a
hex8e51c69

149232745 has 8 divisors (see below), whose sum is σ = 188504640. Its totient is φ = 113102640.

The previous prime is 149232737. The next prime is 149232757. The reversal of 149232745 is 547232941.

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

It is not a de Polignac number, because 149232745 - 23 = 149232737 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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, 785341 + ... + 785530.

It is an arithmetic number, because the mean of its divisors is an integer number (23563080).

Almost surely, 2149232745 is an apocalyptic number.

It is an amenable number.

149232745 is a deficient number, since it is larger than the sum of its proper divisors (39271895).

149232745 is a wasteful number, since it uses less digits than its factorization.

149232745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570895.

The product of its digits is 60480, while the sum is 37.

The square root of 149232745 is about 12216.0855023203. The cubic root of 149232745 is about 530.4218132455.

The spelling of 149232745 in words is "one hundred forty-nine million, two hundred thirty-two thousand, seven hundred forty-five".

Divisors: 1 5 19 95 1570871 7854355 29846549 149232745