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145107951 = 348369317
BaseRepresentation
bin10001010011000…
…10101111101111
3101010001020200120
420221202233233
5244121423301
622222100023
73411253152
oct1051425757
9333036616
10145107951
1174a0082a
124071a613
13240a82c1
14153b3c99
15cb14e36
hex8a62bef

145107951 has 4 divisors (see below), whose sum is σ = 193477272. Its totient is φ = 96738632.

The previous prime is 145107923. The next prime is 145107953. The reversal of 145107951 is 159701541.

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

It is a cyclic number.

It is not a de Polignac number, because 145107951 - 29 = 145107439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145107953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24184656 + ... + 24184661.

It is an arithmetic number, because the mean of its divisors is an integer number (48369318).

Almost surely, 2145107951 is an apocalyptic number.

145107951 is a deficient number, since it is larger than the sum of its proper divisors (48369321).

145107951 is an equidigital number, since it uses as much as digits as its factorization.

145107951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48369320.

The product of its (nonzero) digits is 6300, while the sum is 33.

The square root of 145107951 is about 12046.0761661215. The cubic root of 145107951 is about 525.4891296359.

The spelling of 145107951 in words is "one hundred forty-five million, one hundred seven thousand, nine hundred fifty-one".

Divisors: 1 3 48369317 145107951