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145925501 = 1723373211
BaseRepresentation
bin10001011001010…
…10010101111101
3101011120210011012
420230222111331
5244324104001
622251405005
73421226531
oct1054522575
9334523135
10145925501
1175409a97
1240a53765
1324303467
1415547bc1
15cc272bb
hex8b2a57d

145925501 has 8 divisors (see below), whose sum is σ = 161227584. Its totient is φ = 131369920.

The previous prime is 145925497. The next prime is 145925503. The reversal of 145925501 is 105529541.

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 145925501 - 22 = 145925497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145925503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186215 + ... + 186996.

It is an arithmetic number, because the mean of its divisors is an integer number (20153448).

Almost surely, 2145925501 is an apocalyptic number.

It is an amenable number.

145925501 is a deficient number, since it is larger than the sum of its proper divisors (15302083).

145925501 is a wasteful number, since it uses less digits than its factorization.

145925501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373251.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 145925501 is about 12079.9627896778. The cubic root of 145925501 is about 526.4741648571.

The spelling of 145925501 in words is "one hundred forty-five million, nine hundred twenty-five thousand, five hundred one".

Divisors: 1 17 23 391 373211 6344587 8583853 145925501